Sharpen up your buttons

To get better at something.

If someone messes up at work then a manager may say you need to sharpen up your buttons

Dildo sharpener

A device for sharpening dildos

My your dildo sharpener is efficient in it's duty

pendulum sharpener

A big dick that's sharp

E.g. Same bro pendulum sharpener yeah

Sharpen the Battle Oar for the Regatta

Code used by closeted gay men to communicate their intent on attending a gay sex orgy;

Sharpen= lubricate

Battle Oar= one's penis

Regatta= public place, usually a highway rest stop or secluded park bench, where homosexual men go to have unprotected sex with multiple anonymous partners

Mike: Hey Dave, what are you up to tonight?

Dave: I'm so stressed. I'm ready to sharpen the battle oar for the regatta. (wink)

Mike: Sounds good. I'll see you there. (gently taps foot)

Knife Sharpener

Women over 50 who like to herk off men under 25.

I use to deliver flowers to senior citizens communities and score with a bunch of knife sharpeners.

Nipple sharpening

When it´s so cold your nipples harden to the point they can slice steel.

Doctor: "OMG I´m out of knives I can´t operate on this patient"
Doctor 2: "Hand me some ice and i´ll do some nipple sharpening"

human pencil sharpener

An offensive insult used to describe a female that like prefers underweight males, indirectly referencing their intercourse which would resemble a pencil being sharpened.

I saw her in the car with that skeleton-looking kid, you know she's being used as a human pencil sharpener.